Spring clip



FIG. 1 is a front view thereof;

FIG. 2 is a left side view, the right side being a mirror image thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof, the broken lines being shown for illustrative purposes only and forming no part of the claimed design;

FIG. 5 is a top view thereof; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a spring clip, as shown and described. 